/*滑动图形验证*/
.cont{
	position:fixed;
	top:50%;
	margin-top:-20rem;
	padding-top:10rem;
	left:0;
	width:100%;
	height:auto;
	display:none;
	/*background:#fff;*/
}
.cont #back{
	width:67%;
	height:18.75rem;
	margin:0 auto;
	position:relative;
	background:yellowgreen;
	
}
#back img{
	position:absolute;
	display: block;
	width:12%;
	height:100%;
	left:0;
}
#tiao{
	width:67%;
	height:3rem;
	position:relative;
	/*background:blue;*/
	margin:3rem auto 0;
	border:1px solid #A4AAB3;
}
#tiao div{
	position:absolute;
	top:0;
	left:0;
	width:3rem;
	height:3rem;
	/*background:red;*/
	border:1px solid #A4AAB3;
	box-sizing: border-box;
}
#shanchu{
	position:absolute;
	right:3rem;
	top:3rem;
	width:1.5rem;
	height:1.5rem;
	background:#cdcdcd;
	font-size:1.2rem;
	color:#333;
	border:0;
	border-radius:50%;
}